For me, they come in sets,
I am likely to have to pay for a special air shipment in a LARGE carton from Japan.
They are likely to visit Australia on the way here.
Arrival is likely to take weeks.
If a Yamaha item is not already in stock here, and now most aren't, then the price can be horrendous, just for the shipping.
That's why I've got well equipped for making stuff. About the only spares I carry are pads and pivot screws - a wide variety of brands, because they are less economical to make.
When you guys do a special order of a single small part like this, do you charge a realistic price for all the order processing, returns of wrong parts sent, etc, etc. For me, it is often quicker to make something that the time spent acquiring it, even for parts locally stocked.